Para-aminosalicylic acid (PAS) in chronic pulmonary tuberculosis.

@article{DOONEIEF1950ParaaminosalicylicA,
  title={Para-aminosalicylic acid (PAS) in chronic pulmonary tuberculosis.},
  author={A S DOONEIEF and A S Buchberg and M. Maxim Steinbach},
  journal={The New England journal of medicine},
  year={1950},
  volume={242 22},
  pages={859-62}
}